习惯成自然

habit becomes nature (idiom); get used to something and it seems inevitable / second nature

surname Xi

(bound form) to practice / to study / habit / custom

habit / custom / usual practice / to be used to / CL:個|个[ge4]

accustomed to / used to / indulge / to spoil (a child)

surname Cheng

to succeed / to finish / to complete / to accomplish / to become / to turn into / to be all right / OK! / one tenth

self / oneself / from / since / naturally / surely

nature / natural / naturally

correct / right / so / thus / like this / -ly