Poor self-esteem is at the centre of many of the difficulties we experience in our relationships.

缺乏自尊心是我们在社交中所经历的许多困难的核心所在。

《柯林斯英汉双解大词典》

This can lead to poor self-esteem and a lack of confidence.

而这会导致低自尊和缺乏自信。

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A lot of us experience poor self-esteem because we don't like the way we look.

很多人都经历过自信心不足的情况，因为我们都不喜欢自己的长相外貌。

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But for all three, the root of poor behaviour often lies in pupil's poor self-esteem.

BBC: NEWS | UK | Education | Teachers reflect on disciplining

That extra weight can lead to serious health problems, including type 2 diabetes, cardiovascular disease and psychosocial issues such as peer discrimination or poor self-esteem.

CNN: Girl loses 65 pounds in fight against childhood obesity