I read the sentence as blow in the book I can't get the main idea "Then Janet Salter began to relax, and Reacher and Peterson took a mutual unspoken decision to save it for when it is going to count" What's the sentence main idea,I can't get it.

what that mean "by that point" ?Do you always use it ? what that mean "by that point" ?Do you always use it ?

here is a question about job function very fun ,please help me explain it could you explain the following job"harbour authorities, stevedores, masters of vessels and their agents, hauliers or rail operators" It's would be useful for me to work out their job function. Thank you Ralph

the sentence made of simple word,but I need help to understand "The responsibility should always lay with those doing the work and those who supervise the job." What's the meaning of "lay with " on this sentence ?thank you in advance

could I use a word instead of anther word? "Three hundredths of an inch was mathematically a little larger than nine millimetres" the other one "so overall the effect was proportional" There are two sentences together I want to know if it could be accurately and “the effect was proportional is normal English sentence? Thank you if you can solve my question.

A strange sentence I have seen A fractured spitting crack that rolled away across the flat land and faded fast, because it had nothing to bounce back from. It come from a novel context,it's a bit hard for me ,especially the last sentence. Help me identify the long sentence ,please.

Hello anyone can help me understand this two sentence in an interesting book "She was slouched,vacant,,detached."what's the three word meaning"slouched""vacant""detached " Please help me guys .thank you

what's the meaning "Altogether the whole place was a neat ,crisp,exact piece of construction" I am reanding a book and it appears on my book I don't understand I would be very pleasure if someone can help me