Ask whether study is important

紧不紧───Is it tight;问───ask

It is a tight, buff, lean, and mean fighting machine.───它是一架结实、强壮、精瘦、凶狠的战斗机器。

better to stretch the tight muscles first.───最好先舒展一下僵硬的肌肉。

The easier way to lose love is to hold it too tight.───把爱情抓得太紧，反而更容易失去它。