definite; certain; fixed; to fix (on sth); to determine; to be sure; to ensure; to make certain; to ascertain; to clinch; to recognize; to confirm; OK (on computer dialog box)[cedict]
是否
shì fǒuㄕˋ ㄈㄡˇ
whether (or not); if; is or isn't[cedict]
都
dōuㄉㄡ
dūㄉㄨ
all; both (if two things are involved); entirely (due to) each; even; already[cedict]