1) Hell-bent for leather 2) Hurried 3) Hurrying 4) Hurrying along 5) Lickety-split 6) Like the white rabbit 7) Moving lickety-split 8) Not stopping to talk 9) Pressed for time 10) Speeding 11) Unable to stop and chat 12) With no time for chitchat 13) With no time to lose 14) With no time to talk 15) Without time to think