laugh up your sleeve
US /læf ʌp jʊər sliːv/
UK /læf ʌp jʊər sliːv/
1.
يضحك في سرّه, يضحك في الخفاء
to be secretly amused about something, often at someone else's expense
:
•
She tried to keep a straight face, but I could tell she was laughing up her sleeve.
حاولت أن تحافظ على وجهها جادًا، لكنني استطعت أن أرى أنها كانت تضحك في سرها.
•
The politician pretended to be concerned, but everyone knew he was laughing up his sleeve at the public's gullibility.
تظاهر السياسي بالقلق، لكن الجميع علم أنه كان يضحك في سرّه على سذاجة الجمهور.