grip (on sth)
理解；了解
I couldn't get a grip on what was going on.
我无法理解正在发生的事情。

greet sb (with sth)
和(某人)打招呼(或问好)；欢迎；迎接:
He greeted all the guests warmly as they arrived.
客人到达时他都热情接待。

turn up
到达；来到；露面:
We arranged to meet at 7.30, but she never turned up.
我们约好 7:30 碰头,但她根本没露面。

cater (for sb / sth)
(为社交活动)提供饮食,承办酒席 :
Most of our work now involves catering for weddings.
我们现在的工作多半是承办婚宴。

a heavy workload
沉重的工作负担
We have taken on extra staff to cope with the heavy workload.
我们已经额外雇用员工来应付巨大的工作量。

be mobbed by
被大群人围住
He's mobbed by the journalists.
他被大群记者围住。