1. concentrate
You only need to concentrate.
Don't look out the window. Concentrate on your work.
You should concentrate on one thing and learn to do it well.
Settle down for a while and concentrate.
A good ballboy or ballgirl must be able to concentrate hard and run fast.
If you concentrate all your energies on the study of English, you will master the language.
Why did you wake me up to tell me something that big? Now, I'll never be able to concentrate on my work!
Rejecting the urging of his physician father to study medicine, Hawking chose instead to concentrate on mathematics and physics.
It's good to be able to concentrate single-mindedly on your work, but you're completely ignoring the people around you.
The average man fails not because he lacks ability, but because he lacks ability to concentrate.
Does it take a lot of effort to concentrate if
I find it hard to concentrate after a big meal.
Sometimes it's difficult for me to concentrate at work on Friday afternoons.
At this moment in time, we cannot concentrate on one of these two issues alone.
The municipal council should concentrate more on specific issues.
2. be concentrating
Inglês palavra "tập trung"(be concentrating) ocorre em conjuntos:
unit 3_listening part 13. focus
Adjust the microscope's focus.
He has given up running in order to focus on the long jump.
Focus on one thing and do it well.
I tried to focus my attention on reading.
I'll focus on the market development for 1999.
I would like to focus attention on the particular design that best represents Emmet's concept.
We must focus on building a solid grass-roots movement.
Due to recent events, it is completely impossible for me to focus on my work.
Although people like to focus on the differences, I think that on the whole it's the same.
Before we try to move up to the next level, I think we need to focus on keeping what we have.
All in all, I think my hobbies are balanced; they bring some relaxation to my life, and at the same time bring focus to my studies.
The publication of the exam results over without incident, for the time being attention is naturally going to focus on the summer break, right?
In fact, an artist lacking in confidence and fortitude would lose focus after 2 or 3 hours.
A good Tatoeba contributor adopts orphaned sentences so the rest of us can focus on Christopher Columbus and his zany antics.
These days many young people work without much focus; my friend's son hadn't gone two years after graduating before he'd changed jobs five times.