walk [stump] one's chalks
((俗))無遠慮に立ち去る，逃げ去る
work [study] one's butt off
((略式))ガリ勉する
(as) stubborn as a donkey
とても強情な
(as) stubborn as a mule
とても強情な
stubborn nails
かたいくぎ
stubborn stains
しつこい汚れ
Students are sometimes an annoyance to us.
学生にはときどき頭にくる
students in medical school
医学部生
Students need to know what is required of them.
生徒は求められていることを知らなければならない
students of great [outstanding, considerable] merit
かなり［顕著に，相当に］優秀な学生
