请不要挑战我的忍耐限度
[qĭng bù yào tiăo zhàn wŏ de rĕn nài xiàn dù]
'请不要挑战我的忍耐限度' stands for 'Please Don't Test My Patience'. The phrase is often used when one feels very annoyed and is almost at their breaking point but doesn't want it to reach there, thus giving a warning in advance.