All swords out now, all shields up to the nose, all prayers said, all teeth clenched.

所有的刀剑都出鞘了，所有的盾牌都举到鼻子跟前了，所有的祷告都做过了，所有的牙齿都咬紧了。

youdao

She stood before him, at the end of her speech, with her teeth clenched, her cheeks flaming.

她讲完话，站在他面前，咬紧牙关，双颊通红。

youdao

Alex clenched her fists and gritted her teeth.

亚丽克斯握紧拳头，咬紧牙。

《柯林斯英汉双解大词典》

"Give me that" I huffed, teeth clenched.

ENGADGET: This is the Modem World: Give me the keys, I'll drive!

The decision to choose Lockheed, as designers at Boeing admit through clenched teeth, was not whimsical.

ECONOMIST: The Pentagon

Pinterest, I can hear the Facebook team exclaiming, through clenched teeth, is not supposed to be about relationship building or branding.

FORBES: Pinterest: No Relationships, Only Sales (So Far)