Off and on
成人 Adult Edu断断续续地
📝 例句
He only accepted the primary education off and on in his childhood.
他小时候只断断续续地接受过初等教育。
It showered off and on all afternoon.
整个下午断断续续地下着阵雨。
It rained off and on all day.
断断续续下了一天雨。
I have been studying English off and on for ten years.
我断断续续学了十年英语。
He has been writing to us off and on for several years.
他断断续续地给我们写信已经有好几年了。
🧩 词语组成解析
off
[ɔ:f, ɔf]
prep. 从…落下;离开;从…去掉;下班;
adv. 离开;距，离;被取消;下班;
adj. 不新鲜的;不能接受;不礼貌;
n. 起跑;
v. 杀死;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
on
[ɑn]
prep. （表示方向）向;（表示对象）对;（表示位置）在…上;（表示时间）在…之时;
adv. （放，穿，连接）上;向前，（继续）下去;
adj. 活动着的情况，状态;使用着的;发生着的;计划中的;
🗣️ 情景例句
He is behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
He that lives long suffers much.
长寿的人多忧患。
Why don't you do the experiment? I'm sure you would do it really well.
你干吗不做这个实验呢？我相信你一定会干的很棒的。