accelerated
加速的
He also hurt his rotator cuff in his accelerated recovery effort.
在他加速恢复的过程中，他的旋转腕骨也受了伤。

anxious expression
愁容
Her face quickly resumed its anxious expression.
她的脸上很快重新露出了忧虑的表情。
Her face quickly resumed its anxious expression .
她的脸上很快重新露出了忧虑的表情。

taut
拉紧的；绷紧的；紧张的；整洁的
If a bow-string is too taut, it will snap.
拉得太紧，弓弦就会断。
The lovely mouth was taut with irony.
漂亮的嘴讥讽地绷紧着。

grinning again
又咧嘴笑了起来

he promised solemnly
他严肃地保证道。

took a deep breath
作 ... 深呼吸
Now take a deep breath with your mouth open.
现在嘴张开作深呼吸。

she peeked through.
她从门外偷看着。