be tough on

Don't be too tough on him─he was only trying to help.

别对他要求过严，他只是想帮忙。

Athletes at the Tokyo Olympics and Paralympics must eat alone, be tested daily, and refrain from talking in confined spaces such as elevators under tough new Covid rules announced by organizers on Tuesday.

根据主办方6月15日发布的严格的新版新冠防疫规定，东京奥运会和残奥会运动员必须单独吃饭，每天接受核酸检测，并避免在电梯等狭小空间内交谈。

As the political benefit of being tough on bankers may never be greater than now, there is a real risk of future Congresses browbeating regulators out of using the tools it is now handing out.

目前，通过严苛对待银行家而获得的政治利益可能达到了登峰造极的水平，在这种情况下，存在一种切实的风险：未来，国会可能会逼迫监管机构废除目前出台的监管工具。

Waiting at a restaurant can be tough on a toddler.

在餐厅等餐的时候,对一个孩子来说是一件很痛苦的事情.