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bring into effect: 实行，实施，使生效
but into operation: 实施，施行
bring into practice:实行
build up：增进，增强，逐步建立
but for: 要不是
by all means:当然可以，一定，务必
e.g. “May I borrow your paper?” “By all means.”
by means of: 使用，依靠
e.g. We express our thoughts by means of words.
by no means: 决不
by mistake: 错误地
call for: 去接（某人），去取（某物），需要，要求
call forth: 使产生，引起
carry into effect: 实施，实行
carry into practice: 实施，实行
carry off: 轻而易举地完成（任务、职责等）
e.g.She carried off her part in the plan with no difficulty.
carry out: 实行，执行，完成，实现
check in: （在旅馆）登记办理住宿手续：（在机场）办理登机手续
check out: （在旅馆）办理退房手续；结帐后离开（旅店）
clear away；散去，驱除，消除
clear up：把…收拾干净，打扫干净
come into effect: 实行，实施
come into force: 生效
come into operation: 生效
come off: 1. 脱落,掉落
e.g. A button came off as I was climbing over the wall.
2.举行，进行，发生
e.g. The wedding came off as planned.
come up：1.引起注意，得到注意
e.g. Your question came up at the meeting.
2.（尤指意想不到地）发生
e.g. I will let you know if anything comes up.
consist in:存在于…中
cut down: 砍到，削减
e.g. to cut down a tree
