The boss just announced that there would be no salary raise this year which has severely affected the employees' morale.
Cantonese
军队士气高昂。
軍隊士氣高昂。
gwan1 deoi2 si6 hei3 gou1 ngong4
The morale of the troops is very high.
Examples (Wiktionary)
Mandarin
提升士气
提升士氣
tí shēng shì qì
boost morale
Mandarin
士气衰竭
士氣衰竭
shì qì shuāi jié
exhaustion of morale
Mandarin
这样,日本在中国抗战的长期消耗下,它的经济行将崩溃;在无数战争的消磨中,它的士气行将颓靡。
這樣,日本在中國抗戰的長期消耗下,它的經濟行將崩潰;在無數戰爭的消磨中,它的士氣行將頹靡。
zhè yàng , rì běn zài zhōng guó kàng zhàn de cháng qī xiāo hào xià , tā de jīng jì xíng jiāng bēng kuì ; zài wú shù zhàn zhēng de xiāo mó zhōng , tā de shì qì xíng jiāng tuí mǐ .
Thus Japan's economy will crack under the strain of China's long resistance and the morale of the Japanese forces will break under the trial of innumerable battles.
Mandarin
就能大大地沮丧敌人的精神,振起我军的士气,号召世界的声援。
就能大大地沮喪敵人的精神,振起我軍的士氣,號召世界的聲援。
jiù néng dà dà de jǔ sàng dí rén de jīng shén , zhèn qǐ wǒ jūn de shì qì , hào zhào shì jiè de shēng yuán .
It would greatly demoralize the enemy, stimulate the morale of our own forces and evoke international support.