1.博大精深 both extensive and profound

例句：

The teacher had both extensive knowledge and profound scholarship.
先生的学问博大精深。

2.吃苦耐劳 bear hardships

例句：

To be the first to bear hardships and the last to enjoy comforts
吃苦在先享乐在后

3.当务之急 highest priority

例句：

The highest priority of governments has been given to the problem of heavy traffic.
政府已经优先考虑交通拥挤的问题。

4.遭受重创 take a heavy toll

例句：

The hailstone took a heavy toll of the crops in our village last night.
昨晚那场冰雹损坏了我们村的庄稼。

5.先见之明 prescient move