very intelligent or quick-thinking
非常に賢い、または頭の回転が速い (hijō ni kashikoi, mata wa atama no kaiten ga hayai)
"She's sharp as a tack and always has the best answers in class."
"彼女は非常に賢く、いつもクラスで最高の答えを出します。" (Kanojo wa hijō ni kashikoku, itsumo kurasu de saikō no kotae o dashimasu.)
to move repeatedly around something
To prepare for a difficult or dangerous situation.
to keep trying until you succeed
used to tell someone to be careful and patient
Being too inquisitive can lead to trouble.
with sincere gratitude
