Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
haste [heɪst] n спе́шка
in haste в спе́шке
to make haste (to do) торопи́ться (поторопи́ться perf) (+infin)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
hasten [ˈheɪsn]
vt (speed up) торопи́ть*(поторопи́ть*perf)
vi (hurry)
to hasten to doторопи́ться*(поторопи́ться*perf) +infin
I hasten to add ... спешу́ доба́вить ...
she hastened back to the house она́ поспеши́ла обра́тно к до́му
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.