hack-saw

n saw with a short narrow blade in a frame, used for cutting metal 弓锯, 钢锯（用於切割金属）.

H-bomb, ha, ha-ha, habeas corpus, haberdasher, haberdashery, habit, habit-forming, habitability, habitable, habitant, habitat, habitation, habitual, habitually, habituate, habituation, habitue, hacienda, hack, hacker, hacking cough, hackles, hackney carriage, hackneyed, had, had best, had better, had better do sth., had rather..., haddock, Hades, hadji (also hajji), haem(o)- (also esp US hem(o)-), haematology (also esp US hematology), haemoglobin (also esp US hemoglobin), haemolytic, haemophilia (also esp US hemophilia), haemophiliac (also esp US hemophiliac), haemorrhage,