Tā bù xiǎng yīfù rènhé rén, xīwàng kào zìjǐ de nǔlì shēnghuó.
He doesn't want to depend on anyone and hopes to live by his own efforts.
Tips
usage
依附 can be used literally (a vine attaches to a tree) or figuratively (a person attaches themselves to a patron or powerful entity). The figurative use often implies a kind of subservience or loss of independence, with a mildly negative connotation.