complicated
difficult to understand, deal with, or explain due to having many parts or factors
复杂的
[形容词]
dilemma
a situation that is difficult because a choice must be made between two or more options that are equally important
困境
[名词]
to chase
to follow a person or thing and see where they go, often for the purpose of catching them
追
[动词]
to discover
to be the first person who finds something or someplace that others did not know about
发现某事
[动词]
to observe
to carefully watch something in order gain knowledge or understanding about the subject
观察某事
[动词]
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