•Touch down (phrasal verb) -

When an aircraft touches down, it lands on the ground.（（飞机）着陆）

Examples:　　

1.When we touched down at Chek Lap Kok, we were all relieved just to get home.　　

2.The plane touched down in Sydney at midday.

•Filibuster (verb) -

To make a long speech in order to delay or prevent a new law being made. （拉布 - 即（为拖延或阻止法案通过而）发表冗长的演说，普通话可音译为“费力把事拖”。）

Examples:　　

1.Conceivably, supporters of the law could filibuster to prevent it from being revised.　　

2.They simply threatened to filibuster until the Senate adjourns.

•Seven-league boots (proverb) -

Magical boots featured in European folklore that grant the wearer the ability to travel seven leagues in a single stride.（（欧洲童话中的）七里靴，穿着者一步可走七里）

Examples:　　

1.The new technology allows electric cars to drive with seven-league boots, as opposed to the concrete shoes that hampered earlier models.　　

2.We still want his speedy seven-league boots, his global reach and dazzling factual knowledge.

•Come in handy (idiom) -

To be especially useful, often in a particular setting or situation.（派上用场）

Examples:　　

1.It was a lot colder out than I thought it would be, so your jacket really came in handy!　　

2.That flashlight comes in handy when I'm trying to find something in my car at night.

•Break new ground (idiom) -

To do something completely different from what has been done before.（开辟新天地）

Examples:　　

1.This recovery technique breaks new ground.　　

2.The company has been breaking new ground in researching a cure for the deadly disease.