我已经当了七年的高级厨师了的英文

no. i've been the senior cook for seven years

• 我:    I; my; me
• 已经:    already
• 当:    proper; right
• 了:    finish; complete; ...
• 七年:    septenate; seven y ...
• 的:    4次方是 The fourth po ...
• 高级:    senior; high-ranki ...
• 厨师:    cook; chef; chief; ...