Vocabulary Cards
441 cards available.
C2 noun
Oaf
笨拙、愚蠢或麻木的人
Meaning
a clumsy, stupid, or insensitive person
Example
Don't be such an oaf - handle the dishes carefully!
B2 noun
oak
橡树
Meaning
a large tree that produces acorns and has strong, hard wood
Example
The old oak tree provided shade for the entire yard.
C2 adjective
oaken
由橡木制成
Meaning
made of or resembling oak wood
Example
The villagers gathered around the oaken table in the hall.
C2 noun
oakum
旧绳纤维
Meaning
loose fibers obtained by untwisting old ropes, used for caulking ships
Example
The shipbuilders used oakum to seal the gaps in the wooden planks.
C1 noun
Oar
桨
Meaning
a long pole with a flat blade used to row a boat
Example
He dipped the oar into the water and pulled the boat forward.
C2 noun
Oarsman
划船者
Meaning
a person who rows a boat, especially as a member of a racing crew
Example
The experienced oarsman rowed the boat across the river.
C1 noun
Oasis
绿洲
Meaning
a fertile spot in a desert where water is found; a pleasant refuge
Example
The travelers found an oasis after days in the desert.
C1 noun
Oath
誓言
Meaning
a solemn promise or declaration; a sworn statement
Example
The doctor took an oath to help patients.
B2 noun
oatmeal
燕麦粥
Meaning
A type of porridge made from ground oats, often eaten for breakfast.
Example
She eats a bowl of oatmeal every morning for breakfast.
C2 adjective
obdurate
固执
Meaning
Stubbornly refusing to change one's opinion or course of action.
Example
He remained obdurate despite everyone's pleas.
B2 noun
Obedience
服从
Meaning
compliance with an order, request, or law; submission to authority
Example
Children should show obedience to their parents.
B1 adjective
Obedient
顺从的
Meaning
willing to comply with orders or instructions; submissive
Example
The obedient student always follows the teacher's instructions.
C2 noun
obeisance
敬礼
Meaning
A gesture of respect such as a bow or curtsy.
Example
They bowed in obeisance to the king.
C2 noun
obelisk
方尖碑
Meaning
A tall, four-sided, narrow tapering monument with a pyramid-shaped top.
Example
The ancient Egyptians built obelisks to honor their gods.
C1 adjective
obese
肥胖
Meaning
Extremely overweight; having an excessive amount of body fat.
Example
The doctor advised the obese patient to adopt a healthier lifestyle.
B2 noun
obesity
肥胖症
Meaning
The condition of being grossly fat or overweight.
Example
Obesity increases the risk of diabetes and heart disease.
A2 verb
obey
服从
Meaning
to follow orders or instructions; to comply with rules
Example
Children should obey their parents and teachers.
C2 verb
obfuscate
使模糊，掩盖，混淆
Meaning
Render obscure, unclear, or unintelligible.
Example
Politicians often obfuscate facts to mislead people.
C2 noun
obfuscation
混淆, 迷惑
Meaning
The action of making something obscure, unclear, or unintelligible.
Example
The obfuscation of the data made it difficult to interpret.
C1 noun
Obituary
讣告
Meaning
a notice of someone's death published in a newspaper; biographical account of deceased person
Example
The newspaper published his obituary yesterday.
A2 noun
object
物体
Meaning
a thing that can be seen and touched
Example
The table is an object in the room.
B2 noun
Objection
反对; 异议; 抗议;
Meaning
an expression of disagreement or disapproval; a reason for disagreeing
Example
The lawyer raised an objection during the trial.
C1 adjective
Objectionable
令人反感的
Meaning
arousing distaste or opposition; unpleasant or offensive
Example
His objectionable behavior made everyone uncomfortable.
B1 noun
objective
目标
Meaning
A thing aimed at or sought; a goal.
Example
The main objective is to test sustainability.