秘密

I have had many contacts with him. (n)

I want him to contact with Helen on this matter.

Please feel free to contact me for more information.

Please feel free to contact me at 123@yahoo.com.tw.

Please feel free to contact me on 1234567.

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check 核對 檢查 同時有阻止限制的意思
e.g. We launch new products to check the rival's threat.

e.g.Helen tried very hard to check her feeling not to yell at her boyfriend.

check up = investigate
check-up(s) 健康檢查
e.g for a heart check-up.

check
1.bill
e.g. He waved to a waiter and got a check.
2.check in = register
e.g. My boss and his wife checked in at the Grand Hotel.
3.買單
Could I have the check?
Waiter! Check,please.