heads or tails片语KK [hɛdz ɔr telz] /hɛdz ɔɹ teɪlz/发音片语1正面还是反面、(硬币的)正反面Call it in the air: heads or tails?硬币还在空中时就喊:正面还是反面?2掷硬币决定、抽签决定口语We settled the argument with heads or tails.我们用掷硬币的方式解决了争执。3弄懂、搞明白多用于否定句I can't make heads or tails of these instructions.这些说明我完全看不懂。用这个字练口说→