在家我总是感到孤独和紧张。

At home I always feel lonely and nervous.

有时候即使周围有很多人，我们也会感到孤独。

Sometimes we feel lonely even though there are lots of people around.

许多人因为抑郁症而感到孤独。

Many people feel lonely because of depression.

单相思让他感到孤独和无助。

Unrequited love made him feel lonely and helpless.

失去群交的动物常常会感到孤独。

Animals often feel lonely without their flock-mate.

留守儿童常常感到孤独和被忽视。

Left-behind children often feel lonely and neglected.

作为独生子女，我有时会感到孤独。

As an only child, I sometimes feel lonely.

他对她的单相思的感情让他感到孤独。

His unrequited affection for her made him feel lonely.

有时候，当你感到孤独时，一本好书可以安慰你。

Sometimes, a good book can confor you when you feel lonely.

在父母离异后，孩子可能会感到孤独和困惑。

After parental separation, a child may feel lonely and confused.