have nerves of steel (hāf nèrvz ofu sītīr)

Idiom Confidence

含义

to be very brave and calm under pressure

在压力下非常勇敢和冷静 (zai yālì xià fēicháng yǒnggǎn hé lěngjìng)

例句

"A firefighter must have nerves of steel to face danger every day."

"消防员必须有钢铁般的神经才能每天面对危险" (xiāofángyuán bìxū yǒu gāngtiě bān de shénjīng cáinéng měitiān miànduì wēixiǎn)