slap on the wrist ( মৃদু শাস্তি ) Although he broke the rules, he was only given a slap on the wrist
A blessing in disguise ( বিপরীতে হিত ; প্রথমে খারাপ হিসেবে মনে হলেও পরবর্তীতে ভালো হয় ) Sam's motorcycle accident was a blessing in disguise because he got enough insurance money.
Man of straw ( অপদার্থ লোক ) We do not care a fig for a man of straw like him.
By fits and starts ( অনিয়মিত ; মাঝে মাঝে ) He works by fits and starts.
Pros and cons ( খুঁটিনাটি ) You should consider the Pros and cons of the system.
At one’s own sweet will ( খুশি মতো ) He still does it at his own sweet will.