You can describe people, or staff, by saying: They are really helpful and friendly / They are really helpful and friendly.

你可以这样描述人们或者员工：They are really helpful and friendly. /他们非常乐于助人，而且友好。

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As they drove away, the elderly couple agreed that the helpful clerk was indeed exceptional, as finding people who are both friendly and helpful isn't easy.

夫妇二人驱车离开旅馆，他们一致认为那个乐于助人的服务生的确出类拔萃，因为要找到既友善又乐于助人的人并非易事。

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So far,they say,the local police have been very helpful and friendly.

VOA: standard.2009.11.12

She makes an effort to be friendly, helpful, and even speak up a little bit with things like opinions and suggestions and such.

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"We now need more people who are friendly, helpful and enthusiastic and who thrive under pressure to ensure we deliver consistently great service to our customers, " he said.

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The staff was still so friendly and helpful.

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