钢筋铁骨

jǐn guǎn yǒu fù jiǔ jīng chuí liàn de gāng jīn tiě gǔ dàn shì sǐ wáng de yīn yǐng jiàn jiàn xiàng tā xí lái

尽管有副久经锤炼的钢筋铁骨，但是死亡的阴影渐渐向他袭来。

Though he had a very well-tempered constitution, his hold upon life had lost its firmness.