a howl of dire portent的用法和样例：
- A howl of laughter went up irrepressibly.
- A howl of protest went up when the voting was announced.
- He hesitated under Henry's direct gaze, looked around at the other diners, and all at once burst out in a howl of abuse at the waiter.
- A howl of tortured love and the agony of betrayal, it should be avoided by emotional cynics and literary ascetics at all costs.