to have a very bad headache
头痛得厉害 (tou tong de li hai)
"I can’t focus right now; I have a splitting headache."
"我现在无法集中注意力；我头痛得厉害。" (wo xian zai wu fa ji zhong zhu yi li wo tou tong de li hai)
to help someone
to remove unwanted parts from something
money saved for the future
to persuade someone to join an activity
to examine something in great depth
to work hard and focus on something
