梯级

tā pá le tī zi de zuì hòu jī gè tī jí

他爬了梯子的最后几个梯级。

He climbed the last few rungs of the ladder.

tā xià lóu tī shí yǒu yī tī jí zhī gā zuò xiǎng

他下楼梯时有一梯级吱嘎作响。

A stair creaked as he made his way downstairs.

tā niè shǒu niè jiǎo de huí lóu shàng jìn liàng bì kāi nà xiē gā zhī zuò xiǎng de tī jí

他蹑手蹑脚地回楼上，尽量避开那些嘎吱作响的梯级。

He crept back up the stairs, trying to avoid the ones that creaked.