to support a claim or statement using proof or facts
証拠や事実を使って主張や発言を支持する (shouko ya jijitsu o tsukatte shucho ya hatsugen o shiji suru)
"You should always back up your accusations with evidence."
"あなたはいつも証拠を使って主張をバックアップするべきです。" (anata wa itsumo shouko o tsukatte shucho o backup suru beki desu)
to conduct formal discussions to reach an agreement
to be powered by a particular source of energy
to be sensitive to what others are feeling or thinking
to be the first to take action or start something
to promote or exaggerate something to create excitement
to reduce the amount of pollution produced