AnalyzerSentence analysis5SpansSentence無益な議論はやめよう。1000 character limitAnalyzeSentence無む益えきな議ぎ論ろんはやめよう。Span Details無む益えきuseless; futile; vainna-adjective, nounなadnominal form of the copula after a na-adjectivegrammar議ぎ論ろんargument; discussion; debatenoun, suru verbはtopic markergrammarやめよう。stop; quit; discontinue; cancel; give up; abstain-> 止めるichidan verbvolitional form of やめる