so far: until now, until the present time (also: up to now, as of yet) Examples of  SO FAR “So far I’ve made ten dollars from my lemonade stand,” he said excitedly. Good looks will only take you so far; you need a strong education and lots of experience.

to stick to: to adhere to (a promise), to follow or obey (a set of rules, procedures, etc.) Examples of TO STICK TO All organizations expect their employees to stick to established work rules and procedures. If you try hard to stick to your principles, then you’ll be able to live up to them.

to hand in: to submit or deliver something that is due Examples of TO HAND IN All the sale people hand their weekly reports in on Friday. Every student has to hand in an original composition each week of the semester.

on the other hand: however, in contrast Examples of ON THE OTHER HAND On the other hand, registered voters may participate in any primary they choose. Kidney inflammation, on the other hand, is rare, but no treatment exists for it.

to call on: to ask for a response from; to visit (also: to drop in on) Examples of CALL ON I thought it would be fun to call on my friend while I was doing my presentation. The teacher managed to call on me in every class.

to carry out: to accomplish, to execute Examples of TO KNOCK ONE SELF OUT It’s easy to write down a plan for losing weight, but much harder to carry it out. The men refused to carry out the captain’s orders.