Correct

靠头儿

/ kào tóur /
Strokes

Example

As a Noun

sth/sb to rely on

1
méiyǒu
没有
shénme
什么
kào
tóur
头儿

He has no one to rely on.

2
Ér
儿子
zizhǎo
找到
dàogōng
工作
zuò
,
hòulǎo
老两口
liǎng
kǒude
生活
shēng
huó
cái
yǒu
lekào
头儿

Only after their son had found a job were the old couple assured of an adequate livelihood.