hang/hold on like grim death idiom UK
死死地抓住不放，紧紧抓住不松手;咬牙坚持
to hold on very tightly to something, despite great difficulty
Darren always drives and I sit behind him, hanging on like grim death. 总是达伦来开车，我则坐在他后面，一路壮着胆子硬撑。
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