I'm sure the reason many overseas students go bad or give up on themselves is that they're afraid of being unable to live up to their parents 'expectations, combined with the stress of living overseas and the pressure of getting ahead academically.
我知道很多小留學生變壞，或自暴自棄，是因為怕達不到父母的期望，加上在外生活、升學的壓力造成的。