轨

guǐ

(bound form) rail; track; course; path

vehicle (车) + sound (九) = the track a vehicle runs on

The vehicle radical (车) grounds this character in wheeled transport — specifically the fixed path a wheeled vehicle must follow. 九 contributes the sound guǐ and carries no semantic weight here.

车+九→轨
九NinePhonetic
车CartSemantic

火车沿着铁轨慢慢向前走。

huǒ chē yán zhe tiě guǐ màn màn xiàng qián zǒu。

The train slowly moves forward along the rails.

这件事终于走上了正轨。

zhè jiàn shì zhōng yú zǒu shàng le zhèng guǐ。

This matter has finally gotten on the right track.

Words with 轨

音轨

yīn guǐ

sound track

轨道交通

guǐ dào jiāo tōng

metro

轨迹

guǐ jì

locus

有轨电车

yǒu guǐ diàn chē

streetcar; tramcar; tram

卧轨

wò guǐ

to lie across the railway tracks (to commit suicide or to prevent trains from getting through)

遐轨

xiá guǐ

long-established rules of conduct

铺轨

pū guǐ

to lay railway track

钢轨

gāng guǐ

steel rail

链轨

liàn guǐ

caterpillar track (propulsion system used on bulldozers etc)

铁轨

tiě guǐ

rail

双轨

shuāng guǐ

double-track; parallel tracks; dual-track (system)

养老金双轨制

yǎng lǎo jīn shuāng guǐ zhì

dual pension scheme (PRC)

More characters with 车

砗毂军库连厍舆斩