FlashText

From FlashPeak:

FlashText pastes predefined text into any applications in the most convenient way. You can define an unlimited number of entries. Each entry has a name and value. All you need do is activate FlashText by hotkey, select an entry from the entry name list and the value of the entry will be pasted into the current window. FlashText also supports flexible text templates which can generate different text from different parameters supplied by the user.

FlashText is most suitable for occasions with repetitive text like filling web forms and composing business emails. With FlashText, you never need to manually those repetitive text again. Simply retrieve and paste it!

For translators, you can define the entry name to be the original text and the entry value to be the translated text. In this way, you can use FlashText like a dictionary which can automatically paste the translated text for you.