irritate
v[Tn]
1 make (sb) angry, annoyed or impatient 使(某人)愤怒、 烦恼或急躁
irritated by/at the delay 受耽搁而恼怒
It irritates me to have to shout to be heard. 我得大嚷大叫别人才能听见, 我为此十分不快.
2
(a) (biology 生) cause discomfort to (a part of the body) 使(身体某部)不适; 刺激
Acid irritates the stomach lining. 酸能刺激胃黏膜.
(b) make sore or inflamed 使疼痛或发炎
The smoke irritates my eyes. 烟熏得我眼睛发痛.
I suggest that we ask users of this machine what they think about it. We can photograph them using it too. Then we can put their comments at the top of the advertisement in big print. We can bring in some humour too. People enjoy reading humorous ads.