短語詞組短語steadily and indefatigably detail 都應(yīng)堅(jiān)持不懈apply oneself indefatigably to 孜孜不倦地做steadily and indefatigably 都應(yīng)堅(jiān)持不懈;不琯追求什麼目標(biāo)work indefatigably day and night 日夜操勞 返回 indefatigably