His legs are swelling out.

他的腿发肿。

《新英汉大辞典》

The cabin is swelling out, like a cannot help laughing face.

船舱鼓鼓的，又像一个忍俊不禁的笑容，就要展开似的。

youdao

Therefore this iniquity shall be to you as a breach ready to fall, swelling out in a high wall, whose breaking cometh suddenly at an instant.

故此，这罪孽在你们身上，好像将要破裂凸出来的高墙，顷刻之间，忽然坍塌。

youdao

"I'd get four or five days of good work on it in and then the next two days it is swollen and I have to do everything I can to get the swelling out, " Garrard said.

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Scheduled flights out of Jakarta were canceled, and terrified foreign families joined a swelling crowd at the airport, all desperately trying to get out.

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On June 15, a swelling demonstration in Athens's central square veered out of control.

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