fortnight

My parents are under a vow to go to church every Sunday.

我父母许愿,每星期日都去做礼拜。

They used to visit me of a Sunday, ie on Sundays.

从前他们每星期日都来看我。

I go to church every Sunday morning.

我每星期日上午去作礼拜。

Devotions are held every Sunday morning.

祈祷式于每星期日上午举行。

We work five days a week and have every Saturday and Sunday off.

我们每星期工作五天, 每星期六和星期日休息。

Pay-day is the day of the week/month when this money is received.pay-day

指每星期[每月]领取工资的日子.

weekday opening times

除星期日以外的每日开放时间.

(the) Lord's day

主日((星期日))

They work only five days a week and have every Saturday and Sunday off.

他们每周只工作五天，星期六和星期日休息。

We work every day except Sunday.

除了星期日，我们每天都上班。

Mother's Day is a holiday celebrated on the second Sunday in May.

每逢五月的第二个星期日就是母亲节。

on alternate days,eg on Monday,Wednesday,Friday,etc

每隔一日（如星期一,三,五等）.

Sundays were difficult to get through.

每个星期日都很不容易打发过去。

Every Sunday, week in, week out, she writes to her parents.

她每个星期日都给她父母写信.

We have classes every day except Sunday.

除了星期日我们每天都有课。

Leap - year day(every four years)and year - end day(every year)would be counted as extra Saturdays.

人们把闰年日（每四年一天）和年末日（每年一天）视为外加的星期六。

It was decided that each tutor would eat at least two meals with the students every week according to a schedule drawn up by the office of the Dean of Students.

议决每位导师每星期至少跟学生吃两顿饭，由训导处安排日期。

Full-time schools shall display the National Flag daily, except during winter vacations, summer vacations and Sundays.

全日制学校，除寒假、假和星期日外，应当每日升挂国旗。