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- To be preoccupied with trifles or petty details. 费神，操心沉溺于琐碎小事
- She's up to some devilry or other. 她正要搞个恶作剧什么的。
- How much do all these figures stack up to? 这些数字的总和是多少？
- I'm not feeling up to snuff today. 我今天觉得不大舒服。
- Her clothes are always right up to the minute. 她的衣服总是式样最新的。
- Not measuring up to standards or expectations. 不合格的与标准或期望不符合的
- Plague spewers attack without cunning or guile. 瘟疫呕吐怪的攻击既不阴险又不狡猾。
- I felt it was now or never and went right up to him. 我感到机不可失，所以径直走到他面前。
- Skillful in accomplishing a purpose, especially by the use of cunning or craft. 狡猾的能巧妙实现目的，尤指使用狡诈和诈骗(手段)
- A committee was set up to look into the workers' grievances. 成立了一个委员会来调查工人的不满。
- His guilt was proved up to the hilt. 他的罪行被完全证实了。
- She knew the children were up to mischief. 她知道孩子们在做淘气的事情。
- A series of provocations led up to the border war. 一系列的挑衅事件导致了边境战争的发生。
- Ungenerously or pettily unwilling to spend money. 吝啬的不慷慨或极度地不想花钱
- She has keyed the piano up to concert pitch. 她已经把钢琴的音调升到音乐会的音高标准。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年，长大后成了地质学家。
- His new book did not come up to expectation. 他的新作没有达到预期水平。
- Dispersion of forces led up to the defeat. 分散兵力是导致失败的原因。
- It is a fact that must be faced up to. 这是必须正视的事实。
- The little boy can count up to a thousand. 这个小男孩能够数到一千。
