1. Try very hard to do something
   - be at pains

Derived forms: takes pains, taking pains, taken pains, took pains

Type of: endeavor [US], endeavour [Brit, Cdn], strive

• grass bacillus
• grass family
• grass fern
• grass frog
• grass over
• grass parakeet
• grass pea
• grass pink
• grass poly
• grass skirt
• grass snake
• grass tree
• grass tree family
• grass vetch
• grass vetchling
• grass widow
• grass widower
• grass wrack
• grass-covered
• grass-eating
• grass-leaved golden aster
• grass-of-Parnassus
• grassfinch
• grassfire
• grasshopper