同时; 一起; 但是; 然而

ph.

1. He may be very rude sometimes but at the same time he is very kind.
有时候他可能很粗鲁，然而他还是很善良。

1. 同时：与此同时(At the same time),大将赵云怀抱刘备的幼子阿斗,在曹营中单骑纵横,毙敌无数,终于杀出重围. 此时,溃败到夏口的刘军与曹军仅一江之隔. 刘备明白,仅凭长江天险阻拦强大的曹军并非长久之计,曹操早晚会打过长江,届时百姓必将尽遭涂炭.

2. 与此同时：与此同时(At the same time),仍在法国多尔登山谷继续工作(从事体力或脑力劳动,也泛指机器工具)的小组其他成员在遗址里发现了一间濒临崩塌的密室,并在里面找到了一个600多年前不可能存在的双焦透镜,最不可思议的是,

3. 同时,然而,不过：at the moment此刻,目前 | at the same time同时;然而,不过 | at the sight of一看见......就

4. 但是,然而：at one time 同时,曾经,从前曾 | at the same time 但是,然而 | at times 有时

adv

1. at the same instant

e.g. they spoke simultaneously

Synonym: simultaneously

2. overlapping in duration

e.g. concurrently with the conference an exhibition of things associated with Rutherford was held
going to school and holding a job at the same time

Synonym: concurrently