Alone
Solitary boat is a Chinese idiom, pronounced g ū zh ō UD ú Ji ǎ, which means to act alone without help.
source
Peking Opera "Red Detachment of women" Scene 4: "how can one be brave, alone and single minded by the hatred of this family?"
Alone
cause extreme worry and distress - xuán cháng guà dù
gain victory with unstained swords - bīng bù xuè rèn