家中的大黄迎上来，欢快地绕着仨人跳跃。
The yellow dog at home is coming up and gaily around three people jump.
你和仨人在峡谷里要过一个破桥，你一分钟能过去，另外哪仨人得分别用二，五，十，分钟才能过去。
You are at a ravine with three others and need to cross a rickety bridge. You can cross it in one minute, the three others can cross it in two, five, and ten, respectively.
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