自力更生

bicycle; bike

self; (reflexive pronoun); own

nature; natural; naturally

since (a time); ever since

confidence; self-confidence

"doctor

to be born

to happen; to occur; to take place; to break out

graduate student; postgraduate student; research student

to arise; to come into being; to come about; to give rise to; to bring into being; to bring about; to produce; to engender; to generate; to appear; appearance; emergence; generation; production; yield