服务员的怠慢让客户感到不满。

Fúwùyuán de dàimàn ràng kèhù gǎndào bùmǎn.

The waiter's neglect made the customer dissatisfied.

刚才忙着接电话，如果有怠慢的地方，请多包涵。

Gāngcái máng zhe jiē diànhuà, rúguǒ yǒu dàimàn de dìfang, qǐng duō bāohán.

I was busy answering the phone just now; if I neglected you in any way, please forgive me.

对待客户要细心，不可有任何怠慢。

Duìdài kèhù yào xìxīn, bù kě yǒu rènhé dàimàn.

We must be attentive to customers and avoid any neglect.