do one's best 盡力,努力

enjoy oneself 過得快活

fall in love with 愛 上

find fault (with) 找岔

help oneself 自用，自取

keep an eye on 留意，照看

keep in mind 記住

keep one's head 保持鎮(zhèn)靜

keep one's word 守信用

keep pace (with)(與……)齊步前進

lead the way 引路，帶路

learn by heart 記住，背誦

leave alone 不打擾，不干預

put to use 使用

see to it that 注意，務必，保證

see that 注意，務必，保證

set fire to 使燃燒，點燃

take … for 把……認為是

take a chance 冒險，投機

take (a) delight in 以……為樂

take advantage of 利用，趁……之機

take care 當心，注意

take care of 照顧，照料暈過去