These words all describe feeling unhappy and afraid because you are thinking about unpleasant things that might happen or might have happened.
worriedthinking about unpleasant things that might happen or might have happened and therefore feeling unhappy and afraid指因想到令人不快的事而担心的、担忧的
concernedworried and feeling concern about something指担心的、忧虑的、关切的
worried or concerned?用 worried 还是 concerned？Concerned is usually used when you are talking about a problem that affects another person, society, the world, etc, while worried can be used for this or for more personal matters.
nervousfeeling worried about something or slightly afraid of something指焦虑的、担忧的、惶恐的
anxiousfeeling worried or nervous about something指焦虑的、忧虑的、担心的
worried, nervous or anxious?用 worried、nervous 还是 anxious？Worried is the most frequent word to describe how you feel when you are thinking about a problem or something bad that might happen. Anxious can describe a stronger feeling and is more formal. Nervous is more often used to describe how you feel before you do something very important such as an exam or an interview, or something unpleasant or difficult. Nervous can describe somebody’s personality: a very nervous girl is often or usually nervous; a worried girl is worried on a particular occasion or about a particular thing. Worried describes her feelings, not her personality. Anxious may describe feelings or personality.
uneasyfeeling worried or unhappy about a particular situation, especially because you think something bad may happen or because you are not sure that what you are doing is right指担心的、忧虑的、不安的，尤其想到不幸的事情可能发生或不确定自己是否做得对
Patterns
worried/concerned/nervous/anxious/uneasy about (doing) something
worried/concerned/anxious for somebody/something