查询词典 know one's limitations

at one's own expense：由...付钱

at one time (过去)有个时期; 曾经, 一度; 同时 | at one's (own) expense由......付钱 | at one's best 处在最佳状态, 处于全盛状态

cf to be at one's worst：处于全盛时期,在最佳状态

14. to drive everyone crazy使所有的人都受不了 | 15. to be at one's best处于全盛时期,在最佳状态 cf to be at one's worst | 16. to change from one situation to another随着情况的变化而改变

at one：一致

once upon a time 从前 | at one 一致 | one by one 依次地

look as if one came out from a bandbox：装束得十分整洁

look as if butter would not melt in one's mouth 看来一本正经, 装得老实. | look as if one came out from a bandbox 装束得十分整洁. | look as if one came out of a bandbox 装束得十分整洁.

look as if one stepped out from a bandbox：装束得十分整洁

look as if one came out of a bandbox 装束得十分整洁. | look as if one stepped out from a bandbox 装束得十分整洁. | look as if one stepped out of a bandbox 装束得十分整洁.

one-arm bandit：老虎机

one-acter 独幕剧 | one-arm bandit 老虎机 | one-bagger 一垒安打

one base hit：一垒安打

one-bagger 一垒安打 | one-base hit 一垒安打 | one-celled 单细胞的

be at the end one's tether：江郎才尽, 智穷力衰

play one's cards well 办事方法高明, 做事有心计 | be at the end one's tether 江郎才尽, 智穷力衰 | be above one's head 超出某人的理解能力

be caught in a dilemma / be unable to dismount from the tiger one is riding：骑虎难下

呕心沥血 woke one's heart out / shed one's heart's blood | 欺世盗名 win popularity by dishonest means | 骑虎难下 be caught in a dilemma / be unable to dismount from the tiger one is riding

be of one mind：所见相同,意见一致

4.fingt one's way 努力辟出(一条路) | 5.be of one mind 所见相同,意见一致 | 6.have allone's eggs in one basket 孤注一掷

to speculate on：思索,推测,猜测

to turn loose 放开,释放;听凭,放纵 | to speculate on 思索;推测,猜测 | Alfred Whitehead 阿尔福雷德?怀特里德

erasing：清除

erase pulse 清冼脉冲 | erasing 清除 | erasing head 清洗磁头