be involved in ambiguity; ambiguous; difficult to grasp (/pin down); elusive; elusory; evasive; impalpable;subtle; unintelligible
❍ 他这句话的真正意思～。The real meaning of his remark is involved in ambiguity.
难以捉摸nán yǐ zhuō mō
捉摸：猜测，预料。不容易让人猜到。elusive, hard to grasp with the mind, evasive, ambiguous, elusory, subtle