不用懷疑

不用 buˊ yongˋ

(Am not, Are not, Did not need, Do not need, Does not need, Is not, Not be, Was not, Were not) To not be necessary, Am not necessary (to), Are not necessary (to), Is not necessary (to), Was not necessary (to), Were not necessary (to), Do not need (to), Does not need (to), Did not need (to)

懷疑 huaiˊ yiˊ

(Critical, Doubt, Harbor, Question, Skeptical, Suspect) Harbor doubt, Doubt, Question, Suspect, Skeptical, Critical