[---]

Jyutping siu2 lou5 syu2
Pinyin xiǎo lǎo shu

Definitions (Wiktionary)
  1. noun, literally
    small mouse or rat
  2. noun, Taiwan, figuratively
    at sign (@)
  3. noun, figuratively, humorous
    biceps muscle, especially when flexed
    (syn.) 老鼠仔

[---]

Jyutping siu2 lou5 syu2
Pinyin xiǎo lǎo shǔ

Definitions (Wiktionary)
  1. noun, literally
    small mouse or rat
  2. noun, Taiwan, figuratively
    at sign (@)
  3. noun, figuratively, humorous
    biceps muscle, especially when flexed
    (syn.) 老鼠仔

小老鼠 [---]

Jyutping
Pinyin xiǎo lǎo shǔ

Definitions (CC-CEDICT)
  1. @
  2. at symbol
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    看见那只小老鼠了吗?
    看見那隻小老鼠了嗎?
    kàn jiàn nà zhǐ xiǎo lǎo shǔ le ma ?
    • Did you see that small mouse?
Examples (Wiktionary)
  1. Mandarin
    校长威严地宣布:“有谁带了BP机,马上交出来!”就像是搜查毒品和枪支弹药。大家呆住了,没有电蛐蛐的擡起头,脸上露出得意的微笑。带了电蛐蛐的不由自主地低下头,目光四处躲闪,像一群刚刚出洞的小老鼠。
    校長威嚴地宣佈:“有誰帶了BP機,馬上交出來!”就像是搜查毒品和槍支彈藥。大家呆住了,沒有電蛐蛐的抬起頭,臉上露出得意的微笑。帶了電蛐蛐的不由自主地低下頭,目光四處躲閃,像一羣剛剛出洞的小老鼠。
    xiào zhǎng wēi yán de xuān bù : “ yǒu shéi dài le BP - jī , mǎ shàng jiāo chū lai ! ” jiù xiàng shì sōu chá dú pǐn hé qiāng zhī dàn yào . dà jiā dāi zhù le , méi yǒu diàn qū qu de tái qǐ tóu , liǎn shang lù chū dé yì de wēi xiào . dài le diàn qū qu de bù yóu zì zhǔ de dī xià tóu , mù guāng sì chù duǒ shǎn , xiàng yī qún gāng gāng chū dòng de xiǎo lǎo shǔ .
    • The principal solemnly announced, "Whoever brought a pager must hand it over immediately!" It was just like a search for drugs, firearms and ammunition. Everyone was stunned. Those who did not have a beeper lifted up their heads, smiling smugly. Those who brought a beeper couldn't help but lower their heads, and their evasive eyes looked all over the place, like a mischief of little mice that have just come out of a hole.