•Ramp sth up (phrasal verb) -
To increase or augment.（增添，增进）
1. Surgical-mask producers can quickly ramp up production.
2. You need to seriously ramp up your study efforts if you want to get an A on this exam.
•Resort to sth (phrasal verb) -
To do something that you do not want to do because you cannot find any other way of achieving something.（（别无选择下）诉诸，依赖，接纳）
1. I'm confident we can find a solution to this issue without resorting to violence.
2. He had to resort to asking his parents for money.
•A drop in the bucket/ocean (idiom) -
A very *** all amount compared to the amount needed.（沧海一滴，微不足道）,
1. All the money we raised was just a drop in the bucket.
2. The bank tellers got a $100 bonus but that's a drop in the ocean compared to what the management team got.
•Draw on sth (phrasal verb) -
To use information or your knowledge of something to help you do something.（行使，借鉴）
1. His novels draw heavily on his childhood.
2. He drew on his experience as a yacht *** an to make a documentary programme.
•A great deal (idiom) -
To a very great degree or extent.（很洪水平地，异常）
1. This would help a great deal.
2. I love the game a great deal.