1

我們

wǒmen

we; us; ourselves; our

2

昨天

zuótiān

yesterday

3

進行

jìnxíng

(of a process etc) to proceed; to be in progress; to be underway (of people) to carry out; to conduct (an investigation or discussion etc) (of an army etc) to be on the march; to advance

=4

了

le

(completed action marker) (modal particle indicating change of state, situation now) (modal particle intensifying preceding clause)

=4

了

liǎo

to finish (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget") (literary) (usually followed by a negative such as 无 wú or 不 bù) completely (not); entirely (not); (not) in the least to understand clearly (variant of 了 liǎo)

=4

了

liǎo

(of eyes) bright clear-sighted to understand clearly

=4

了

liào

unofficial variant of 瞭 liào

5

火警

huǒjǐng

fire alarm

6

演習

yǎnxí

(military, firefighting etc) (verb and noun) drill; exercise; maneuver