The boy was seen to stiffen and then to fall from the tree.

人们看到男孩蹬了一下腿，然后从树上掉了下来。

youdao

Glue the ends of the ribbons to stiffen them up and make threading easier.

用胶水使丝带的两端变硬，可以让孩子们在穿洞的时候更容易些。

youdao

Another will be to stiffen official resolve in America and elsewhere to tackle cyber aggression more forcefully.

另一个结果是，强化在美国或者其他地区的官方，解决网络入侵的强硬手段。

youdao

Prosecuting these criminals should be a priority and Congress needs to stiffen the penalties.

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To stiffen their courage, the prime minister and his new deputy have promised a second sweeping reform.

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Though Mr Rutelli's plan offers safety nets to those hurt by liberalisation, someone will need to stiffen the government's resolve.

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