dāo​rèn

blade

刀刃 dāo​rèn
blade noun
the sharp cutting edge of a knife or tool

The edge of this kitchen knife is extremely sharp.

crucial point noun
the most critical or essential part of a matter

Limited funds should be used where they are needed most.

Frequency

Movie subtitles
1.91 per million appears in 1% of films
Written text
1.54 per million

Sources

Definitions
CC-CEDICT