The swordfish, when wounded, jump out of the water and thrash about.

剑鱼受伤后，会跳出水面，身子不断摆动。

youdao

Unfortunately，this trick is spoiled by his one—track mind．If you pick him up he lies still．But turn him over and he will thrash about wildly，trying to turn himself belly up again．

不幸，这一招被它那想法单一的头脑给搅了。 如果你把它捡起来，它就躺着一动不动；可是如果把它翻过身来，它便会发疯似地到处滚动，竭力让自己再来个肚皮朝天。

youdao

Those may now re-start as republicans thrash about, in belated recognition that they got their political calculations wrong.

ECONOMIST: Where next in Ulster?

Good profits to be made during the decline only as long as you do not thrash about desperately trying to avoid it.

FORBES: Should Dell Take Itself Private? Quite Possibly, Yes.

So speculation thrashed about, and continues to thrash.

ECONOMIST: Ulster��s murder mystery