嬉皮笑臉 [－－－脸]

Jyutping hei1 pei4 siu3 lim5
Pinyin xī pí xiào liǎn

Definitions (CC-CEDICT)
  1. all smiles
  2. smiling mischievously or ingratiatingly
Definitions (粵典–words.hk)
  1. 語句
    態度​唔​認真​，​玩玩​下
    to grin cheekily; to be playful in attitude
    • 我今次真係認真㗎，你唔好嬉皮笑臉啦！
      我今次真系认真㗎，你唔好嬉皮笑脸啦！
      I'm really serious this time. Please don't be playful.
  2. 反義詞
    認真
Definitions (Wiktionary)
  1. adj, derogatory
    facetious; joking inappropriately when talking something serious
  2. adj, derogatory
    smiling insincerely, perhaps with the intention to flatter
    (syn.) 满脸堆笑, 滿臉堆笑
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (粵典–words.hk)
  1. Cantonese
    佢讲嘢成日都嬉皮笑脸，佢啲说话真系曲直难分。
    佢講嘢成日都嬉皮笑臉，佢啲説話真係曲直難分。
    keoi5 gong2 je5 sing4 jat6 dou1 hei1 pei4 siu3 lim6, keoi5 di1 syut3 waa6 zan1 hai6 kuk1 zik6 naan4 fan1
    • He always be playful in attitude, I'm not sure the words he says is serious or trolling.
  2. Cantonese
    你唔好再咁嬉皮笑脸！认真啲啦。
    你唔好再咁嬉皮笑臉！認真啲啦。
    nei5 m4 hou2 zoi3 gam3 hei1 pei4 siu3 lim6! jing6 zan1 di1 laa3.
    • Take that grin off your face! You need to be more serious.
  3. Cantonese
    我今次真系认真㗎，你唔好嬉皮笑脸啦！
    我今次真係認真㗎，你唔好嬉皮笑臉啦！
    • I'm really serious this time. Please don't be playful.