1.submerge 淹没
The fields had been submerged by floodwater.
农田被洪水淹没了。

2.There is no doubt that 毫无疑问
There is no doubt that hobbies have a great influence on people's life and society.
毫无疑问，爱好深刻影响了人们的生活和社会。

3.get in touch with 与...接触
But it's a good opportunity to get in touch with the boss.
但这是一个和老板接触的好机会。