Stop dodging — just tell me whether you actually went or not.
Tips
usage
Most often appears in the four-character phrase 支吾其词 (zhīwu qí cí, 'to mumble equivocally'). The second syllable is usually pronounced neutral tone (zhīwu) in modern speech, though the dictionary tone is wú.
memory
Think of someone literally going 'zhi… wu…' as they stall for time — onomatopoeic of muttered, half-formed answers.