他严厉地瞪了我一眼，让我感到不舒服。

He gave me a ___hard stare that made me feel uncomfortable.

她用严厉的语气说话，毫无同情心。

She spoke with a ___hard tone, showing no sympathy.

经理严厉的决定让每个人都感到失望。

The manager's ___hard decision left everyone feeling disappointed.