used to emphasize how very great, important, or powerful a quality or feeling is; nothing except

The suggestion is sheer nonsense. 这个建议纯粹是胡言乱语。

His success was due to sheer willpower/determination. 他的成功全靠自己的意志力／决心。

It was sheer coincidence that we met. 我们的相遇纯属巧合。

extremely steep; almost vertical

a sheer mountain side 陡峭的山坡

a sheer drop of 100 metres 100米的垂直落差

Sheer clothing or material is so thin, light, and delicate that you can see through it.

sheer nylon tights 透明尼龙连裤袜

She wore a dress of the sheerest silk. 她穿了一条薄如蝉翼的丝绸连衣裙。

to change direction suddenly

I thought the boats were going to collide, but one sheered off/away at the last second. 我以为两只小船就要撞上了，但在最后关头，其中一只突然调转方向避开了。