不论情况多么复杂他都能应付自如的英文

no matter how complicated the situation was he could cope with it successfully

• 不论:    no matter; whether ...
• 情况:    circumstances; sit ...
• 多么:    how
• 复杂:    complex; complicat ...
• 他:    he
• 都:    capital
• 能:    ability; capabilit ...
• 应付自如:    handle a situation ...