contribute to 有助于

under control （被）控制住

out of control 无法控制

在方便的时间或地点

at one's convenience

where and when it suits one

be convenient to/for 对……方便

使某人确信

convince sb. of 

cause sb. to believe or feel certain

to persuade sb

try to persuade sb to do sth 劝说某人说……

应付，处理

cope with

deal with

try to find a solution to

通信

correspond (with)

exchange letters regularly

correspond to 相当于

correspond with 符合，一致

at all costs 不惜任何代价

at the cost of 以……为代价

a matter of course 理所当然的事

as a matter of course 当然地，自然地

in/during the course 在……过程中

没经过太久，到一定时候

in due course

without too much delay

on credit 赊购

with credit 以优异成绩

to one's credit 使某人感到光荣

to sb. credit 使……感到光荣

be critical of 爱挑毛病的，批评的

cure sb of 治好某人的疾病

a danger to 对……的危险

be in danger (of)  处于……危险中

be out of danger 脱离危险

到目前为止

to date 

so far

until now

out of date 过时的

up to date 新式的，时兴的

date back to 可追溯的

date from 从某时期开始（有）

论及

date with 

concern

be in debt to sb. 欠……的债