in no uncertain terms
US /ɪn noʊ ʌnˈsɜrtn tɜrmz/
UK /ɪn noʊ ʌnˈsɜrtn tɜrmz/

1.
毫不含糊地, 明确地, 直截了当地
clearly and directly, leaving no doubt
:
•
She told him in no uncertain terms that she would not tolerate his behavior.
她毫不含糊地告诉他,她不会容忍他的行为。
•
The manager explained in no uncertain terms what was expected of the team.
经理毫不含糊地解释了对团队的期望。