on the go活躍，忙碌，on the lookout注意，警戒，on the watch監(jiān)視著，on the hop趁不備抓住某人等等。

　　on the People’s Democratic Dictatorship《實(shí)踐論》和《矛盾論》

　　on the People’s Democratic Dictatorship《論人民民主專政》

　　"on Coalition Government"《論聯(lián)合政府》

　　注：口訣中的"著"是指著火，罷指罷工，偷指偷偷地，公指出差、辦公事;假指休假，準(zhǔn)指準(zhǔn)時。

　　例：The house next to mine was on fire.

　　我鄰居的房子著火了。

　　The workers of the railway station were on strike.

　　鐵路工人罷工了。

　　Grapes and big water melons from Sinkiang are on sale on a large sale.

　　新疆葡萄和西瓜大量上市了。

　　do something on the sly(quiet)。

　　秘密地(暗地里，偷偷地)做某事。

　　I’ve come here on business.

　　我是有公事來的。

　　They went to Bern on a mission.

　　他們到伯爾尼去執(zhí)行一項使命。

　　They has been away on a long trip.

　　他們出去做一次長途旅行。

　　I’ll go home on leave next month.

　　下月我將休假回家。

　　I went on business to Shanghai.I did not take leave.

　　我是公出去上海的，不是不告而別。

　　She came to see you on purpose.

　　她是專程來看你的。