sheerer , sheerest
You can use sheer to emphasize that a state or situation is complete and does not involve or is not mixed with anything else.
His music is sheer delight.
听他的音乐完全是一种享受。
Sheer chance quite often plays an important part in sparking off an idea.
纯粹的运气常常在激发思想方面起着重要的作用。
A sheer cliff or drop is extremely steep or completely vertical.
There was a sheer drop just outside my window.
就在我的窗外有一个陡坡。
Sheer material is very thin, light, and delicate.
sheer black tights.
极薄的黑色紧身衣。