他丝毫不紧张。
He is not nervous in the slightest.
the slightest amount or degree; a bit
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他丝毫不紧张。
He is not nervous in the slightest.
你丝毫不动摇吗?
Will you not waver one bit?