If you have a definite purpose in mind, get to the point promptly.
如果你心里有明确的意图, 就干脆说出来.
《简明英汉词典》
The Lord Jesus certainly spoke this word with a definite purpose.
主耶稣说这话的确有明确的目的.
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They serve a definite purpose in the overall traffic pattern.
这种单向式的车流,对整体的交通运作当然有一定的作用.
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He sometimes just opened the book at random, without any definite purpose.
有时他只是毫无目的地随意翻开书本.
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