be certain of
确信, 对 ... 有把握
例句与用法：
You must be certain of your facts before you start flinging accusations (around) (at people).
必须对实情胸有成竹才能理直气壮地(到处)指责(别人).
be certain of
确信, 对 ... 有把握
例句与用法：
You must be certain of your facts before you start flinging accusations (around) (at people).
必须对实情胸有成竹才能理直气壮地(到处)指责(别人).